This international standard covers design, manufacturing, testing and documentation requirements for ball, check, gate and plug valves in oil & gas systems (ISO 13623 compliant). Valves exceeding PN 4

I. Welding Procedure Qualification Standards 1. ASME Boiler and Pressure Vessel Code, Section IX Qualification Standard for Welding, Brazing, and Fusing Procedures Requirements for Welders, Brazers,

Various methods of valve classification

Discover the critical factors affecting front-sealing performance in gate valves, particularly non-rising stem designs. Learn how disc thickness and seating face width optimization improve sealing in

Complete guide to installing valve handwheels, wrenches, locking devices, and position indicators per API 6D / ISO 14313 standards. Learn key requirements for operating force limits, dimensions, torqu

The structure of a gate valve body is determined by its connection methods to the pipeline and valve bonnet. Based on manufacturing techniques, gate valve bodies can be classified into several types:

The design of a gate valve body is determined by its connections to the pipeline and the valve bonnet. Common manufacturing methods include casting, forging, forged-welding, cast-welding, and pipe pla

Welded flange steel gate valves are suitable for cutting off or connecting media on pipelines in various working conditions such as petroleum, chemical, and thermal power plants with nominal pressures